@CHARSET "UTF-8";
body {
    display: block;
    width: 100%;
    height: 100%;
    font-family: Arail, Helvetica, Futura, sans-serif;
    text-align: center;
}

#body {
    width: 80%;
    height: 70%;
    position: absolute;
    top: 20%;
    left: 10%;
    text-align: center;
}

#not-log {
    width: 100%;
    height: 60%;
    position: relative;
    margin-top: 10%;
    color: red;
    font-size: 50px;
}

#left-navigation {
    width: 30%;
    height: 90%;
    float: left;
    font-size: 30px;
    margin-top: 9%;
}

ul {
    width: 100%;
    height: 100%;
    list-style-type: none;
}

li {
    margin-top: 30px;
}

.unclick {
    text-decoration: none;
    color: black;
}

.current {
    color: blue;
}

h1 {
    font-size: 45px;
}

#content {
    width: 60%;
    height: 100%;
    text-align: center;
    font-size: 20px;
    position: relative;
    margin-left: 30%
}

#footer {
    width: 100%;
    height: 20px;
    font-size: 12px;
    position: absolute;
    bottom: 0px;
    text-align: center;
}


